The Comet CA-2x4SR dual band is a 2 meter and 440 MHz mobile antenna. It is a 5/8 wave on 2 meters providing 3.8 dB gain and a 5/8 wave on 440 MHz providing 6.2 dB gain. VSWR 1.5 : 1 or less. This antenna can handle up to 150 watts. This antenna is black with three coils on the whip element. The CA-2x4SR is pretuned, but an Allen wrench for adjusting is included.